diff options
Diffstat (limited to 'src/libopkg/.svn/text-base/opkg_upgrade.c.svn-base')
| -rw-r--r-- | src/libopkg/.svn/text-base/opkg_upgrade.c.svn-base | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/libopkg/.svn/text-base/opkg_upgrade.c.svn-base b/src/libopkg/.svn/text-base/opkg_upgrade.c.svn-base new file mode 100644 index 0000000..10b8217 --- /dev/null +++ b/src/libopkg/.svn/text-base/opkg_upgrade.c.svn-base @@ -0,0 +1,130 @@ +/* opkg_upgrade.c - the opkg package management system + + Carl D. Worth + Copyright (C) 2001 University of Southern California + + Copyright (C) 2003 Daniele Nicolodi <daniele@grinta.net> + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. +*/ + +#include <stdio.h> +#include <stdlib.h> + +#include "opkg_install.h" +#include "opkg_upgrade.h" +#include "opkg_message.h" + +int +opkg_upgrade_pkg(pkg_t *old) +{ + pkg_t *new; + int cmp; + char *old_version, *new_version; + + if (old->state_flag & SF_HOLD) { + opkg_msg(NOTICE, "Not upgrading package %s which is marked " + "hold (flags=%#x).\n", old->name, old->state_flag); + return 0; + } + + new = pkg_hash_fetch_best_installation_candidate_by_name(old->name); + if (new == NULL) { + old_version = pkg_version_str_alloc(old); + opkg_msg(NOTICE, "Assuming locally installed package %s (%s) " + "is up to date.\n", old->name, old_version); + free(old_version); + return 0; + } + + old_version = pkg_version_str_alloc(old); + new_version = pkg_version_str_alloc(new); + + cmp = pkg_compare_versions(old, new); + opkg_msg(DEBUG, "Comparing visible versions of pkg %s:" + "\n\t%s is installed " + "\n\t%s is available " + "\n\t%d was comparison result\n", + old->name, old_version, new_version, cmp); + if (cmp == 0) { + opkg_msg(INFO, "Package %s (%s) installed in %s is up to date.\n", + old->name, old_version, old->dest->name); + free(old_version); + free(new_version); + return 0; + } else if (cmp > 0) { + opkg_msg(NOTICE, "Not downgrading package %s on %s from %s to %s.\n", + old->name, old->dest->name, old_version, new_version); + free(old_version); + free(new_version); + return 0; + } else if (cmp < 0) { + new->dest = old->dest; + old->state_want = SW_DEINSTALL; + } + + free(old_version); + free(new_version); + new->state_flag |= SF_USER; + return opkg_install_pkg(new,1); +} + + +static void +pkg_hash_check_installed_pkg_helper(const char *pkg_name, void *entry, + void *data) +{ + struct active_list *head = (struct active_list *) data; + abstract_pkg_t *ab_pkg = (abstract_pkg_t *)entry; + pkg_vec_t *pkg_vec = ab_pkg->pkgs; + int j; + + if (!pkg_vec) + return; + + for (j = 0; j < pkg_vec->len; j++) { + pkg_t *pkg = pkg_vec->pkgs[j]; + if (pkg->state_status == SS_INSTALLED + || pkg->state_status == SS_UNPACKED) + active_list_add(head, &pkg->list); + } +} + +struct active_list * +prepare_upgrade_list(void) +{ + struct active_list *head = active_list_head_new(); + struct active_list *all = active_list_head_new(); + struct active_list *node=NULL; + + /* ensure all data is valid */ + pkg_info_preinstall_check(); + + hash_table_foreach(&conf->pkg_hash, pkg_hash_check_installed_pkg_helper, all); + for (node=active_list_next(all,all); node; node = active_list_next(all, node)) { + pkg_t *old, *new; + int cmp; + + old = list_entry(node, pkg_t, list); + new = pkg_hash_fetch_best_installation_candidate_by_name(old->name); + + if (new == NULL) + continue; + + cmp = pkg_compare_versions(old, new); + + if ( cmp < 0 ) { + node = active_list_move_node(all, head, &old->list); + } + } + active_list_head_delete(all); + return head; +} |